#include <iostream>
using ll = long long;
ll get_sum(int l, int r) { return r - l + 1; }
ll calc(int n)
{
    ll res = 0;
    for (int l = 1, r = 0; l <= n; l = r + 1)
    {
        r = n / (n / l);
        res += get_sum(l, r);
    }
    return res;
}
int main() { return 0; }